The council is undertaking precautionary checks at a number of schools across Swindon for a type of concrete believed to be prone to collapse.

Swindon Borough Council has revealed that it is conducting surveys at schools built between the 1930s and 1990s for reinforced autoclave aerated concrete (RAAC).

There is no evidence to suggest that any schools in Swindon or Wiltshire contain the material, but the government criteria for carrying out precautionary checks is based on the date of building.

The council has not, as of Wednesday lunchtime, released a list of affected buildings or the number.

But the Adver understands Colebrook Junior School is one of the schools to undergo a survey.

It comes as the government has released a list of schools that have been confirmed to be built, at least in part, with RAAC.

The list of schools at the end of August 30 contains 146 schools, but none of them are in Swindon or in Wiltshire.

RAAC is a form of concrete built without traditional reinforcement and is aerated to give it a ‘bubbly’ appearance.

It was used in many construction projects, especially floors and ceilings, because it is lighter and cheaper and standard concrete.

But it is also weaker and more brittle.